Coin retaining device



FIG. 1 is a front perspective view of a coin retaining device showing my new design;

FIG. 2 is a top plan view thereof, the undisclosed bottom is not part of the claimed design;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a perspective view of a second embodiment showing my new design;

FIG. 6 is a top plan view thereof, the undisclosed bottom is not part of the claimed design;

FIG. 7 is a front elevational view thereof; and,

FIG. 8 is a side elevational view thereof. 

The ornamental design for the coin retaining device, as shown and described. 